News tagged with black holes

Galaxy winds

(Phys.org) —The most luminous galaxies in our universe are not particularly bright in the visible. Most of their energy output (which can be hundreds or even thousands of times more than our Milky Way's) ...

Sep 23, 2013
4.8 / 5 (5) 1 | with audio podcast

Image: Galactic serial killer

This new image from the MPG/ESO 2.2-metre telescope at ESO's La Silla Observatory in Chile shows two contrasting galaxies: NGC 1316, and its smaller neighbour NGC 1317. These two are quite close to each other ...

Apr 02, 2014
4.8 / 5 (8) 0

Dead star and distant black holes dazzle in X-rays

(Phys.org) —Two new views from NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, showcase the telescope's talent for spying objects near and far. One image shows the energized remains of a dead star, ...

Jan 09, 2014
4.7 / 5 (7) 0 | with audio podcast

When does a physical system compute?

Can physical systems from bacteria to black holes act as a computer? A University of York computer scientist and colleagues from the universities of Oxford and Leeds address this question in newly published research which ...

Jul 11, 2014
4.3 / 5 (9) 5

Iron in the sun: A greenhouse gas for X-ray radiation

(Phys.org) —Scientists from the Heidelberg Max Planck Institute for Nuclear Physics (MPIK) in cooperation with DESY (Hamburg) at the synchrotron PETRA III have investigated for the first time X-ray absorption ...

Sep 06, 2013
4.4 / 5 (17) 1 | with audio podcast

Black hole fireworks in nearby galaxy

(Phys.org) —Celebrants this Fourth of July will enjoy the dazzling lights and booming shock waves from the explosions of fireworks. A similarly styled event is taking place in the galaxy Messier 106, as ...

Jul 03, 2014
4.8 / 5 (12) 23